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/*
* UUID/GUID definition
*
* Copyright (C) 2010, 2016 Intel Corp.
* Huang Ying <ying.huang@intel.com>
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License version
* 2 as published by the Free Software Foundation;
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*/
#ifndef _LINUX_UUID_H_
#define _LINUX_UUID_H_
#include <uapi/linux/uuid.h>
typedef struct {
__u8 b[16];
} uuid_be;
#define UUID_BE(a, b, c, d0, d1, d2, d3, d4, d5, d6, d7) \
((uuid_be) \
{{ ((a) >> 24) & 0xff, ((a) >> 16) & 0xff, ((a) >> 8) & 0xff, (a) & 0xff, \
((b) >> 8) & 0xff, (b) & 0xff, \
((c) >> 8) & 0xff, (c) & 0xff, \
(d0), (d1), (d2), (d3), (d4), (d5), (d6), (d7) }})
#define NULL_UUID_BE \
UUID_BE(0x00000000, 0x0000, 0x0000, 0x00, 0x00, 0x00, 0x00, \
0x00, 0x00, 0x00, 0x00)
/*
* The length of a UUID string ("aaaaaaaa-bbbb-cccc-dddd-eeeeeeeeeeee")
* not including trailing NUL.
*/
#define UUID_STRING_LEN 36
static inline int uuid_le_cmp(const uuid_le u1, const uuid_le u2)
{
return memcmp(&u1, &u2, sizeof(uuid_le));
}
static inline int uuid_be_cmp(const uuid_be u1, const uuid_be u2)
{
return memcmp(&u1, &u2, sizeof(uuid_be));
}
void generate_random_uuid(unsigned char uuid[16]);
extern void uuid_le_gen(uuid_le *u);
extern void uuid_be_gen(uuid_be *u);
bool __must_check uuid_is_valid(const char *uuid);
extern const u8 uuid_le_index[16];
extern const u8 uuid_be_index[16];
int uuid_le_to_bin(const char *uuid, uuid_le *u);
int uuid_be_to_bin(const char *uuid, uuid_be *u);
#endif
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